Operating system courses can help you learn process management, memory allocation, file systems, and user interfaces. You can build skills in troubleshooting system errors, optimizing performance, and implementing security protocols. Many courses introduce tools like Linux, Windows, and virtualization software, illustrating how these skills are applied in real-world environments.

Erasmus University Rotterdam
Skills you'll gain: Transportation Operations, Law, Regulation, and Compliance, Case Law, Labor Compliance, Labor Law, Labor Relations, Case Studies, Regulation and Legal Compliance, Employee Relations, Civil Law, Workers Compensation, Coordination, Benefits Administration
★ 4.1 (12) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Process Mapping, Operations Management, Process Management, Process Analysis, Operations, Business Process, Operational Analysis, Operational Efficiency, Business Process Improvement, Process Improvement, Business Process Modeling, Customer experience improvement, Continuous Improvement Process, Growth Strategies
★ 4.8 (31) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, User Accounts, Product Assortment, Account Management, E-Commerce, Social Media Management, Social Media, Payment Processing, Commercialization, Digital Publishing, Payment Systems
★ 3.9 (20) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Scientific Visualization, Visualization (Computer Graphics), Plot (Graphics), Data Visualization, Data Preprocessing, Box Plots, E-Commerce, Business Analytics, Data Visualization Software, Data-Driven Decision-Making, Computer Graphics, Descriptive Statistics, Histogram, Data Analysis, Graphing, Statistical Visualization, Python Programming
★ 4.5 (16) · Beginner · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: Marketing Planning, Marketing, Digital Marketing, Strategic Marketing, UI/UX Strategy, Digital Content, Marketing Strategies, Digital Advertising, E-Commerce, Content Optimization, Social Media Marketing, Search Engine Optimization, Brand Awareness, Customer Engagement
★ 4.3 (9) · Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Cybersecurity, Cyber Attacks, Network Security, Information Systems Security, Business Continuity Planning, Cryptography, Security Architecture Review, Disaster Recovery, Business Continuity, Cyber Security Policies, Cryptographic Protocols, IT Security Architecture, Telecommunications, Network Administration, Law, Regulation, and Compliance, NIST 800-53, Infrastructure Security, Security Controls, Data Security, Governance Risk Management and Compliance
★ 4.4 (25) · Intermediate · Course · 1 - 3 Months

American Council on Exercise
Skills you'll gain: Nutrition Education, Nutrition and Diet, Mental Health, Nutrition Counseling, Meditation & Breathwork, Mindfulness, Exercise Science, Rehabilitation, Mental and Behavioral Health, Community Health, Preventative Care, Health Education, Mental Health Diseases and Disorders, Health Promotion, Health Technology, Injury Prevention, Stress Management, Behavioral Health, Personal Development, Behavior Management
★ 4.6 (68) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Web Presence, Instagram, Goal Setting, Target Audience, Prioritization, Driving engagement, Visionary, Target Market, Community Development, Content Scheduling, Social Media Content, Entrepreneurship, Business Planning, Smart Goals, Business Priorities, Scalability, Content Strategy, Telecommuting, Marketing, Business
Beginner · Specialization · 1 - 3 Months

Lund University
Skills you'll gain: Climate Change Programs, Climate Change Mitigation, Sustainable Development, Climate Change Adaptation, Social Justice, Drive Engagement, Community Development, Social Impact, Mitigation, Systems Thinking, Stakeholder Engagement, Research and Design, Visionary, Data-Driven Decision-Making, Finance, Innovation, Strategic Partnership, Governance, Collaboration
★ 4.8 (13) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Cybersecurity, Metasploit, Cyber Attacks, Exploit development, Application Security, Security Testing, Exploitation techniques, Security Awareness, Malware Protection, Vulnerability Assessments, Human Factors (Security), Javascript
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Docker (Software), Cloud-Native Computing, Containerization, Application Deployment, Webhook Security, Data Storage, Security Controls, Authentications, Network Model, YAML, Virtual Networking, Data Persistence, Scalability
★ 3.4 (21) · Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Prompt Patterns, Responsible AI, Figma (Design Software), Design Reviews, AI literacy, Data Ethics, AI Integrations, AI Workflows, Generative AI, Graphic and Visual Design, Design, Generative AI Agents, Visual Design, Digital Design, Design Thinking, Process Design, Design Elements And Principles, Interactive Design, Marketing Design
★ 4.5 (11) · Intermediate · Course · 1 - 3 Months